Secretary of the Jewish community of Rome; lived at the end of the sixteenth century and at the beginning of the seventeenth. He edited and probably translated into Italian: (1) Judah ha-Levi's piyyuṭ, "Mi kamoka," Venice, 1609, recited on the Sabbath preceding the Feast of Purim; (2) Moses Rieti's liturgic work, "Ma'on ha-Shoalim," Venice, 1609. Thename of Castelnuovo occurs also in a halakic decision of Reggio on the ritual bath, inserted in "Mashbit Milḥamot," fol. 92.

  • Steinschneider, Cat. Bodl. cols. 1988, 2410;
  • idem, in Monatsschrift, xliii. 92, 311;
  • Mortara, Indice, p. 11;
  • Berliner, Gesch. der Juden in Rom, ii. 54, 215.
G. I. Br.
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